import Vue from 'vue'
import Router from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import User from '../components/user/User.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import List from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'

Vue.use(Router)

const router = new Router({
  routes: [
    {
      path: '/',
      redirect: '/login'
    },
    {
      path: '/login',
      component: Login
    },
    {
      path: '/home',
      component: Home,
      redirect: '/welcome',
      children: [
        { path: '/welcome', component: Welcome },
        { path: '/users', component: User },
        { path: '/rights', component: Rights },
        { path: '/roles', component: Roles },
        { path: '/categories', component: Cate },
        { path: '/params', component: Params},
        { path: '/goods', component:List },
        { path: '/goods/add', component: Add},
        { path: '/orders', component: Order},
        { path: '/reports', component: Report}
      ]
    }
  ]
})
// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to: 将要访问的路径
  // from: 代表从哪个路径跳转而来
  // next 是一个函数，表示放行
  // next() 放行；  next('/login')强制跳转到指定路径
  if (to.path === '/login') return next();
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token');
  if (!tokenStr) return next('/login')
  next()
})



export default router